Face feature extraction for emotion recognition using statistical parameters from subband selective multilevel stationary biorthogonal wavelet transform. - R. Jeen Retna Kumar; M. Sundaram; N. Arumugam; V. Kavitha (Soft Comput., 2021)

Facial emotion recognition using subband selective multilevel stationary wavelet gradient transform and fuzzy support vector machine. - R. Jeen Retna Kumar; M. Sundaram; N. Arumugam (Vis. Comput., 2021)

Enhanced global and local face feature extraction for effective recognition of facial emotions. - Jeen Retna Kumar Retnamony; Sundaram Muniasamy; Berakhah Florence Stanley (Concurr. Comput. Pract. Exp., 2022)